Railway car



E. W. DART RAILWAY CAR Oct. 6, 1936.

' s sheets-sheet 1 Filed July '7, 1934 25 nc/enr Edward U Darf E. W. DART RAILWAY CAR Filed July 7, 1934 3 Sheets-Sheet 2 E. W. DART RAILWAY CAR oct. 6,l 1936.

Filed July '7, 1954 3 Sheets-Sheet 5 Patented Oct. 6, 1936 mi pNiTED STATES PATENT oFFlcE f RAILWAY CAR.V

Edward W. Dart,vDearborn, Mich., assignorV to Pullman-Standard Car Manufacturing Company, a corporation of Delaware Application July 7, 1934, Serial No. '734,177

v 9 claims. (ci. '2o- 19) The invention relates particularlyto the door The door is supported yand is movable in a opening of a railway car, and to the closure channeled track, oneA section 29 of which is therefor; its objects being to provide for the mounted in the upper face of the openable secsliding movement of the door into and out of tion 22 of the vestibule iioor and connects directthe opening and along the inner face of the' car ly with a section 30 extending along the car 0L- Wall. Other improvements in connection with floor adjacent to the inner face of the side wall such doors and openings will be pointed out in of the-car. The track comprisingthe twoV secthe following specification. f tions 29, 30, is provided with two lateral exten- In the accompanying drawings showing an emsions 3 I 32, leading obliquely into the door openbodiment of the invention ing and located one adjacentto each side there- 1U' Fig. 1 is a detail side elevation ofa car body; of. Within suitable recesses in the bottom of the Fig. 2 is a sectional view on the line 2-2 of door, positioned directly above the ends of the Fig. 1; 1 track extensions when the door is closed, are a Fig. 3 is a fragmentary vertical sectional depair of anti-friction studs or rollers 33, prefertail on the broken line 3-3 of Fig. 1; ably of the centrally swiveled caster variety, D

Fig. 4 is a detail sideelevation of the car side these rollers running in the track 29, 30, which with the door open, some parts being broken inicross-section is of suitable Vform to receive away; them. 1. y Fig. 5 is a plan section on the line 5-5 of `Similar means are provided for guiding the Fig. 1; and upper portion of the door in its opening and 2O Fig. 6 is an inverted plan section on the line closing movements, and comprise a guide track 6-5 of Fig. 1. 34, suitably supported by the side wall or fram- The invention appertains toa car of the,l sO- ing of the car, as indicated in Fig. 3, andA leadcalled streamline type, in which thelconvening laterally from the door opening. The fortional form is departed from with' view to lessen- Ward end ofthis track is provided with a lateral 25 ing air resistance to the movements of the car, extension 35,leading toward the door casing. and with view, also, to maintaining adequate The doorcarries-a guide stud 36, preferably of strength while securing a great reduction-in anti-friction type, and, as shown, being similar weight from prevailing practice. to the casters 33. This guide studengages with- In attaining these advantages improvements in the channel of theftrack 34, 35, and, the door 30 in various detailsv of the car have been made in being of the arch type, is located on its vertical addition to its general reorganization. The promedian line. l v vision of a suitable `door opening and closure The ltracks `and the dispositionof the guide therefor constitutes one of such details. studs or rollers cooperating therewith are so rela- The form of the rear end of the car is shown tively located that the top and bottom studs reg- 35 in Fig. 1, its framing being indicated in various ister with the lateral track extensions simultalfigures- The improved door is shown at 20, and neously. The upper guide stud being located comprises a skeleton frame 2l of tubing, porintermediate of the two lower ones, cooperates tions of which appear in Figs. 2, 3 and 6, covwith each to prevent a tendency to any turning ered by sheet metal and glazed, as indicatedY in movement of the door, and consequently as the 40 the figures. upper stud and the forward lower stud enter the The door shown is for the vestibule of a car, lateral track extensions with which they coopera section 22 of the oor of which is hinged at ate the rearward lower stud is drawn into the 23 and may be raised, when the door is open, to track extension 32, and the door is properly guiduncover a set of steps 24, which are pivoted at ed to its seat within the casing. 45 25, and may be swung to service position by a This arrangement also causes the forward guide hand lever 26 and connecting rod 21. stud or roller at the bottom of the door to pass The door 20 is of the sliding type, and when the required lateral track extension 32 in closing. closed fits snugly Within the casing 28, its outer As an additional safeguard against possible deface being flush with the side wall 45 of the car flection of the forward roller from entering the 5G body, thereby contributing to the streamline eftrack extension 32, an anti-friction roller 3l may fcct sought to be obtained in the car. The door, be attached to the rearward side of the door frame as shown, is of the arch form, its upper end being for engaging the outer face of the door in the arcuate, the door opening being of corresponding opening and closing movement.

form. Various changes in details may be made within 55 the scope of the invention, as defined in the appended claims.

I claim as my invention- 1. A railway car comprising a body having a door opening, a sliding door for closing the opening, a channel track for carrying the door and crossing the door opening and extending laterally tlfierebeyond.` adjacent the inner face-of. the car wall andhaving ap'afirof; obliquely extending'lat'- eral channels adjacent the door opening, rollers connected with the lower margin of the door and running in the track, a guide track carried by the car body at the top of the door opening and?` ex-n tending laterally from a point intermediatepf the. side margins thereof, such track having` a-lateraf extension at its forward end, and an elementareried by the door and engaging in the last-named track.

2. A railway car comprising a body having af door opening, a sliding door for such opening, a supporting". criannel track extendingisubstantfially acrossrtli'e openingA and alongn the innen facelr off the body-'wahl andi having a-pai'r oflateral extensiens" apain off rollers; carried liy` the door and3 spaced apart. cor-responding with` the' spacing off the laterali extensions, atrackf aboveT the opening parallel? with; thelower track: andE extending fromj apoi'nt intermediateoff tliesidesof the opening, the forwardfend offthe'ftrack being inclined cor-A responding.' to". the: in'clinaticnt of the* lower' track= extensions; and a guide element' carried? by thex door and? engazgingtlieupper'track;A

3i A raiiwayfcarcomprising a body-liavingan= arclied. door opening; a sliding'door for closing tii' opening, a-` supporting trackf fer the d'Uorf and? a;- guide'- track' fiar` the topE offther deer, b'otlr tracks extending' along the innerfface of the-oarwa'll, theA supporting track having a pair of lateral exten-- sionsoneadjacent? eacli side'of theL opening and the!guii'etraclr` hav-ing a single lateral?extension adjacent` the verticali centerline off the opening; and rollers carried? byf the door' andi engaging' theI tracks.

4J". railway? can comprising al body; having-r abdeuropening', afsliding dorfifor suchl opening, ai

supporting' ohanneltracl extending substant'ial1?y` across the opening and? alengf the innere face of-- the bodyf walli and having aA pair of? lateralexten siens', a; pair` of rollersI carried bythedecir-andi spaced apart correspondngwithtlie spacing off tl'redateral-extensiens; attack above the openlngf parallel with the lower track and extending from a point-intermediate offthesides-of the'vopening,

the forward end of the track being inclined corresponding to the inclination of the lower track extensions, and a guide element carried by the door and engaging the upper track.

5. A railway car comprising a body having a door opening and an upwardly swinging oor section extending into such opening, a sliding door for such. opening, a trackior the door extending across the named floor section and an extension 0I' the track carried by a fixed portion of the body, and a guide track for the top of the door.

6". In combination, a sliding door having a pair ontrack-engaging elements at its lower edge, a supporting track therefor, the track having lateral. extensionsfor shunting the door into closed positiona.guide track above the door having a single corresponding lateral extension, and a stud carried'ibyftheiupper'edge of the door for engagingthatrack and located intermediate of the side margins of the door. Y

Inv.conrbin'atiin;:aisliding` door vhaving a pair ontrack-engaging.' elements at'L its lower edge, a supportingf track therefor', the track having lateralv extensions: ihr." shunting the'door into closed pesiti'oma guiiie: track above vthe door having a corresponding' lateral i extension',. and a stud carriediby thE upper edge ofthe'doon for engaging the track and located intermediateof the vertical lines. tintuughi tire.V iirsti-narned track-engaging elements.

zlnt comliination',4 a; sliding door, a1 pair of tracksfor:n oemxying and? guidingY the door and located respectively at the top and bottom there-- oi`-,. one off suplir tracks having two lateral extensions for shunting: the door' into closed positiony and: the` other: havlng a1 single'` suchV extension forwandof the-.verticallplanept tlerearmost of said two extensions, and track-engaging elements carniedbyftlrdborforl' cooperating with suchlateral extensions.

, .Q -f. crnnbinatich:V a slidingY door, a pairof tracks for carrying and guiding the door andi lccatedl respectivelyI at-the top; and? bottom thereofi one* ofl' such! tracks-having two'- lateral extensionsr fion shunti'ng` theJ doorl into closed positionv and* the otherf' having1 aY single sucliextension, track-engagingelements carried bythe d'oor frooioperait'ingf witir such lateral extensions; andE means bearing againstitllie! dbor for holding the door' against?Y lateral? movement untilf each trackengaging element is alignedwitl'i a' lateral" exten-- sion-off its track-r; y

EDWARD W. DART. 

